Submission #1216811

#	Time	Username	Problem	Language	Result	Execution time	Memory
1216811		nataliaa	Cave (IOI13_cave)	C++20	Compilation error	0 ms	0 KiB

cave

void exploreCave(int N) {
	int v[N];
	int a[N] = {};
	for(int i = 0; i < N; i++) v[i]= i;
	for(int i = 0; i < N; i++) {
		int l = 0, r= N-1;
		while(l<=r) {
			int m = (l+r)/2;
			for(int j = 0; j <= m; j++) {
				if(a[i]) a[i]=0;
				else a[i]=1;
			}
			int k = tryCombination(a);
			if(k > a[i]) r = m-1;
			else l=m+1;
		}
		a[r] =l;
	}
	answer( a,v);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:13:33: error: 'tryCombination' was not declared in this scope
   13 |                         int k = tryCombination(a);
      |                                 ^~~~~~~~~~~~~~
cave.cpp:19:9: error: 'answer' was not declared in this scope
   19 |         answer( a,v);
      |         ^~~~~~